Model comparison
Claude Opus 4.5 vs Llama 4 Maverick
Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 30.9 on the Noometry Index. Llama 4 Maverick costs 33× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.
Last verified . 38 shared benchmarks.
Summary
- They share 38 benchmarks with published results for both. Claude Opus 4.5 scores higher in 9 categories and Llama 4 Maverick in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Opus 4.5 leads 42.6 to 10.1.
- The biggest single-benchmark swing is ARC-AGI-1: 80% for Claude Opus 4.5 and 4.4% for Llama 4 Maverick.
- Llama 4 Maverick is cheaper at $0.19 / $0.65 per million input/output tokens, against $5 / $25 for Claude Opus 4.5.
- Claude Opus 4.5 accepts more context: 200K tokens versus 128K.
- Llama 4 Maverick has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 4.5 | Llama 4 Maverick | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 50.5 | 30.9 |
| Released | 2025-11-01 | 2025-04-05 |
| Weights | Proprietary | Open |
| Context window | 200K | 128K |
| Max output | 64K | 4K |
| Input $ / M tokens | $5 | $0.19 |
| Output $ / M tokens | $25 | $0.65 |
| Results tracked | 69 | 54 |
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Category by category
Coding Claude Opus 4.5 leads
Claude Opus 4.5: 54.8 (#27), Llama 4 Maverick: 26.6 (#324)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| SWE-bench Verified (bash only) | 76.8% | 21% |
| WeirdML | 63.7% | 24.5% |
| LMArena Coding | 1504 | 1302 |
| ALE-Bench | 1,025 | 172.97 |
| SWE-bench Verified | 76.7% | — |
| Aider Polyglot | — | 15.6% |
| LMArena WebDev | 1494 | — |
| SWE-bench Multilingual | 70.7% | — |
| SciCode | — | 33.1% |
| GSO | 26.5% | — |
| BigCodeBench Instruct | — | 49.7% |
| BigCodeBench Complete | — | 61.4% |
| AlgoTune | 1.77 | — |
Agentic & Tool Use Claude Opus 4.5 leads
Claude Opus 4.5: 47.3 (#12), Llama 4 Maverick: 28.2 (#91)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| Berkeley Function Calling Leaderboard | 77.5% | 37.3% |
| Terminal-Bench | 63.1% | — |
| GDPval | 45.5% | — |
| Remote Labor Index | 3.8% | — |
| τ²-bench Airline | 84% | — |
| τ²-bench Banking | 24.7% | — |
| τ²-bench Retail | 79.6% | — |
| τ²-bench Telecom | 92.3% | — |
| Cybench | 82% | — |
| DeepResearch Bench | 54.8% | — |
| OSWorld | 66.3% | — |
| BALROG | 43.5% | — |
| LMArena Search | 1180 | — |
| METR Time Horizons | 75% | — |
| Vending-Bench 2 | 4,967 | — |
Reasoning Claude Opus 4.5 leads
Claude Opus 4.5: 42.6 (#51), Llama 4 Maverick: 10.1 (#342)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| ARC-AGI-2 | 37.6% | 0% |
| SimpleBench | 62% | 27.7% |
| Kagi LLM Benchmark | 80.2% | 55.9% |
| NYT Connections (extended) | 52.5% | 8% |
| ARC-AGI-1 | 80% | 4.4% |
| EnigmaEval | 11.9% | 0.6% |
| LMArena Hard Prompts | 1476 | 1281 |
| DTBench | 89.9% | 61.9% |
| LMCA | 44.5% | 15.9% |
| Epoch Capabilities Index | 150.09 | 132.2 |
| ForecastBench | 60.7 | 57.5 |
| CritPt | — | 0% |
| Chess Puzzles | 12% | — |
| EBR-Bench | 14.3% | — |
| Mystery Game Puzzles | 22% | — |
Math Claude Opus 4.5 leads
Claude Opus 4.5: 38.6 (#132), Llama 4 Maverick: 26.0 (#262)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.1% | 20.6% |
| LMArena Math | 1463 | 1299 |
| FrontierMath (Feb 2025 set) | 20.7% | 0.7% |
| FrontierMath (Tiers 1-3) | 34.4% | — |
| FrontierMath Tier 4 | 4.9% | — |
| ProofBench | 36% | — |
| Omni-MATH | — | 42.2% |
| MATH Level 5 | — | 73% |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Opus 4.5 leads
Claude Opus 4.5: 56.5 (#44), Llama 4 Maverick: 33.4 (#204)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| GPQA Diamond | 86% | 67% |
| Humanity's Last Exam | 25.2% | 5.7% |
| Vectara Hallucination Rate | 10.9% | 8.2% |
| LMArena Expert | 1487 | 1259 |
| SimpleQA Verified | 45.7% | — |
| MMLU-Pro | — | 81% |
| Confabulations | — | 22.6% |
| GPQA (HELM) | — | 65% |
Multimodal Too close to call
Claude Opus 4.5: 31.4 (#107), Llama 4 Maverick: 31.6 (#105)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| GeoBench | 75% | 52% |
| LMArena Vision | — | 1142 |
| VPCT | 40% | — |
| Furniture Assembly | 28.3% | — |
| LMArena Document | 1462 | — |
| SpatialViz-Bench | — | 31.8% |
Multilingual Claude Opus 4.5 leads
Claude Opus 4.5: 54.3 (#47), Llama 4 Maverick: 42.2 (#195)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| LMArena Non-English | 1438 | 1269 |
| LMArena Chinese | 1470 | 1277 |
| LMArena French | 1471 | 1259 |
| LMArena German | 1449 | 1291 |
| LMArena Japanese | 1416 | 1207 |
| LMArena Korean | 1424 | 1203 |
| LMArena Russian | 1447 | 1286 |
| LMArena Spanish | 1458 | 1293 |
Instruction Following Claude Opus 4.5 leads
Claude Opus 4.5: 77.5 (#19), Llama 4 Maverick: 71.7 (#146)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| LMArena Instruction Following | 1478 | 1267 |
| IFEval | — | 90.8% |
Long Context Claude Opus 4.5 leads
Claude Opus 4.5: 46.5 (#22), Llama 4 Maverick: 31.4 (#279)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| LMArena Longer Query | 1480 | 1280 |
| Fiction.LiveBench | — | 46.2% |
| CL-bench | 21.1% | — |
Writing & Preference Claude Opus 4.5 leads
Claude Opus 4.5: 68.1 (#28), Llama 4 Maverick: 38.8 (#252)
| Benchmark | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| LMArena Text | 1451 | 1287 |
| LMArena Creative Writing | 1445 | 1267 |
| EQ-Bench Creative Writing | 1687 | 860 |
| LMArena Multi-Turn | 1466 | 1289 |
| Short-Story Creative Writing | — | 62% |
| WildBench | — | 80% |
Frequently asked questions
Is Claude Opus 4.5 better than Llama 4 Maverick?
Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 30.9 on the Noometry Index. Llama 4 Maverick costs 33× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.
Which is cheaper, Claude Opus 4.5 or Llama 4 Maverick?
Llama 4 Maverick is cheaper. It lists at $0.19 per million input tokens and $0.65 per million output tokens; Claude Opus 4.5 lists at $5 and $25.
Is Claude Opus 4.5 or Llama 4 Maverick better for coding?
Claude Opus 4.5 scores higher on coding benchmarks: 54.8 versus 26.6 in the Noometry coding category.
Which has the bigger context window?
Claude Opus 4.5 does, with 200K tokens against 128K.
How many benchmarks do Claude Opus 4.5 and Llama 4 Maverick share?
38 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and Llama 4 Maverick has 54.